Sony has revealed the Sony Playstation firmware v 2.30 details and full walk through. Check it out!

DTS-HD Master Audio is literally bit-for-bit identical to the studio master recording and makes movie soundtracks and sound effects truly come to life. The technology delivers audio at the incredibly high rate of 24.5 mega-bits per second (Mbps) on Blu-ray disc, which is significantly higher than standard DVDs. DTS-HD Master Audio also offers 7.1 audio channels at 96k sampling frequency/24 bit depths, so you’ll be totally immersed in the sound. The firmware update will add DTS-HD High Resolution Audio as well, which is a similar output technology that requires less disc space. You can read more about both codecs here.